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python assert with and without parenthesis
...foo == 8, \
"derp should be 8, it is " + str(foo)
Prints:
AssertionError: "derp should be 8, it is 7
Why does this python assert have to be different from everything else:
I think the pythonic ideology is that a program should self-correct without having to worry about the special flag to...
Why use pip over easy_install? [closed]
...kage is being installed, pip keeps track of why that package was required.
Error messages should be useful.
The code is relatively concise and cohesive, making it easier to use programmatically.
Packages don’t have to be installed as egg archives, they can be installed flat (while keeping the egg ...
Why is JSHINT complaining that this is a strict violation?
...call(myObj, 5). If so, you can ignore JSHint, as you will not generate any errors. But, it is telling you that your code is unclear to anyone reading it, because using this inside of something that is not obviously a method is quite confusing. It would be better to simply pass the object as a parame...
How to destroy a DOM element with jQuery?
... jQuery object
Option 2 - Or delete the property entirely (will cause an error if you reference it elsewhere)
delete $target;
console.log($target); // error: $target is not defined
More reading: info about empty jQuery object, and info about delete
...
How to Deal with Temporary NSManagedObject instances?
...Then when you want to save it:
[myMOC insertObject:unassociatedObject];
NSError *error = nil;
if (![myMoc save:&error]) {
//Respond to the error
}
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Reference: mod_rewrite, URL rewriting and “pretty links” explained
...ur RewriteRules still wouldn't work anyway.
It's meant to prevent HTTP 500 errors. What it usually accomplishes is gracing your users with HTTP 404 errors instead. (Not so much more user-friendly if you think about it.)
Practically it just suppresses the more useful log entries, or server notificati...
How can I check whether a numpy array is empty or not?
...ting with a 'empty' array, and growing with np.append is a frequent novice error.
Using a list in if alist: hinges on its boolean value:
In [102]: bool([])
Out[102]: False
In [103]: bool([1]) ...
Setting up a common nuget packages folder for all solutions when some projects are included in multi
...ution in Visual Studio and kick off a Rebuild All. Ignore all of the build errors you will receive, this is expected at this point. This should kick off the NuGet package restore feature at the start of the build process however. Verify that your \Solutions\Packages\ folder has been created in the s...
How can I split a shell command over multiple lines when using an IF statement?
... Mark, you know, I must have had whitespaces. I am able to reproduce the error only when adding whitespaces after the `s. For example, when adding one after the first `, I get ./soundops: line 73: --forward-agent: command not found. My issues was that I didn't understand this error. Why does havin...
Partly JSON unmarshal into a map in Go
...ings.NewReader(jsonStr)); err != nil {
fmt.Printf("err: %s\n", err.Error())
}
// populating data to a live car object.
if v, err := i.GetObjFromArr(0, car); err != nil {
fmt.Printf("err: %s\n", err.Error())
} else {
fmt.Printf("car (original): %s\n", car.GetN...